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airelle des marécages, alpine blueberry, blueberry, bog bilberry, bog blueberry

Darrow's blueberry, Darrow's evergreen blueberry, southern highbush blueberry

Habit Plants forming dense mats or open, extensive colonies; twigs of current season pale green, terete, glabrous or faintly puberulent, not verrucose. Plants forming extensive open colonies, 1–15 dm; twigs pale green, glaucous, ± terete, puberulent.
Leaves

blades usually glaucous abaxially, green to glaucous adaxially, orbiculate, ovate, or obovate to narrowly elliptic, 8–14 × 3–7 mm, membranous, margins entire, surfaces often faintly puberulent, sometimes hairy throughout.

persistent for 1+ years;

blade usually pale green abaxially, dark green adaxially, elliptic, 7–11 × 3–5 mm, coriaceous, margins entire, (often inrolled), surfaces usually glabrous abaxially (rarely minutely hairy along midvein).

Flowers

sepals usually distinct;

corolla white to pink, 3–4(–5) mm, lobes 0.3–0.4 mm;

filaments glabrous.

calyx greenish, glabrous;

corolla white tinged with pink or red, ± urceolate, 4–6 mm;

filaments ciliate.

Berries

blue, 6–8 mm diam., glaucous.

blue, glaucous, 8–10 mm diam., glabrous.

Seeds

10–20, ca. 1 mm.

2n

= 24, 48, 72.

= 24.

Vaccinium uliginosum

Vaccinium darrowii

Phenology Flowering Jun–Jul. Flowering winter–spring.
Habitat Wet or dry acidic sites in boreal taiga, tundras, and alpine thickets and krummholz Low flatwoods, scrubby flatwoods, oak-scrub, palmetto scrubs and swales
Elevation 0-2200 m (0-7200 ft) 0-30 m (0-100 ft)
Distribution
from FNA
AK; CA; ID; ME; MI; MN; MT; NH; NV; NY; OR; UT; VT; WA; WY; AB; BC; MB; NB; NF; NS; NT; NU; ON; PE; QC; SK; YT; SPM; Greenland; n Eurasia
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; FL; GA; LA; MS
[WildflowerSearch map]
[BONAP county map]
Discussion

Vaccinium uliginosum is transcontinental in North America between 60° and 70° north latitude; farther north it is rare, especially in the Queen Elizabeth Islands. To the southwest, it is found as far as northern California and northwestern Utah. The summits of the White Mountains of New Hampshire form its southernmost limit in eastern North America. This wide-ranging plant shows considerable variation, notably in floral morphology. Subspecies have been recognized (cf. S. B. Young 1970); a review of morphological variation by H. J. Warr (1981) did not support the distinctiveness of infraspecific taxa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 518. FNA vol. 8, p. 527.
Parent taxa Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Vaccinium Ericaceae > subfam. Vaccinioideae > Vaccinium > sect. Cyanococcus
Sibling taxa
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. crassifolium, V. darrowii, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. tenellum, V. vitis-idaea
V. angustifolium, V. arboreum, V. boreale, V. cespitosum, V. corymbosum, V. crassifolium, V. deliciosum, V. erythrocarpum, V. hirsutum, V. macrocarpon, V. membranaceum, V. myrsinites, V. myrtilloides, V. myrtillus, V. ovalifolium, V. ovatum, V. oxycoccos, V. pallidum, V. parvifolium, V. scoparium, V. stamineum, V. tenellum, V. uliginosum, V. vitis-idaea
Synonyms V. gaultherioides, V. occidentale, V. uliginosum subsp. alpinum, V. uliginosum var. alpinum, V. uliginosum subsp. gaultherioides, V. uliginosum subsp. microphyllum, V. uliginosum subsp. occidentale, V. uliginosum var. occidentale, V. uliginosum subsp. pedris, V. uliginosum subsp. pubescens, V. uliginosum var. salicinum V. myrsinites var. glaucum
Name authority Linnaeus: Sp. Pl. 1: 350. 1753 , Camp: Bull. Torrey Bot. Club 69: 240. 1942 (as darrowi) ,
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